Wax crayon comprising multiple pigments
AssigneeSociete BIC
InventorsJulien GOUEREC, Justine NAPOLY, Allart VAN HOLTEN, Olav VAN CALDENBORGH
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Abstract
In a first aspect, the present disclosure relates to a writing instrument comprising a lead, wherein the lead comprises at least two pigments selected from the group of BaSO4, Ca2SiO4 and CaCO3, and at least one pigment selected from the group of ZnS, ZnO and ZrO2 The combination of the at least two pigments and the at least one pigment is present in an amount between about 1.2 wt.-% to about 50 wt.-%, relative to the total weight of the lead; and the lead comprises less than 1 wt.-% TiO2.
Claims21
A writing instrument comprising a lead, wherein the lead comprises at least two pigments selected from the group of BaSO4, Ca2SiO4 and CaCO3,
- and at least one pigment selected from the group of ZnS, ZnO and ZrO2, wherein the combination of the at least two pigments and the at least one pigment is present in an amount between about 1.2 wt.-% to about 50 wt.-%, relative to the total weight of the lead;
- and
- wherein the lead comprises less than 1 wt.-% TiO2.
5-15. (canceled)
Dependencies are inferred from the claim text.